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[1]罗伟,陆伟东,孙小鸾,等.半刚性单层球面木网壳整体稳定性试验[J].南京工业大学学报(自然科学版),2016,38(05):81-86.[doi:10.3969/j.issn.1671-7627.2016.05.013]
 LUO Wei,LU Weidong,SUN Xiaoluan,et al.Overall stability test of semi-rigid single-layer spherical reticulated shells[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2016,38(05):81-86.[doi:10.3969/j.issn.1671-7627.2016.05.013]
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半刚性单层球面木网壳整体稳定性试验()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
38
期数:
2016年05期
页码:
81-86
栏目:
出版日期:
2016-09-28

文章信息/Info

Title:
Overall stability test of semi-rigid single-layer spherical reticulated shells
文章编号:
1671-7627(2016)05-0081-06
作者:
罗伟陆伟东孙小鸾周烨楠
南京工业大学 土木工程学院,江苏 南京 211800
Author(s):
LUO WeiLU WeidongSUN XiaoluanZHOU Yenan
College of Civil Engineering,Nanjing Tech University,Nanjing 211800,China
关键词:
半刚性 木网壳 整体稳定性 节点抗弯刚度
Keywords:
semi-rigid wood reticulated shell overall stability joint bending stiffness
分类号:
TU366.3
DOI:
10.3969/j.issn.1671-7627.2016.05.013
文献标志码:
A
摘要:
为了研究节点半刚性对木网壳整体稳定性的影响,设计一种钢管-耳板螺栓节点并应用于K6型单层球面木网壳模型,采用静力加载方式对其进行了全跨、半跨及简化加载试验。结果表明:采用半刚性节点的木网壳具有稳定承载能力。全跨加载时网壳顶点位移最大且最容易发生失稳,半跨加载时易发生局部失稳。简化试验中增加节点的抗弯刚度,木网壳模型的稳定承载力提高31%且节点的极限位移降低30%。最终利用ANSYS建立网壳数值模型对简化试验结果进行验证。
Abstract:
In order to study the influence of semi-rigid of joints on overall stability of wood reticulated shells,a semi-rigid kind of steel pipe-ear plate with bolts joint was designed and apply it to Kewitte6 single-layer spherical wood reticulated shell models.It has been adopted the static loading method to carry out full span,half span and simplified loading tests. The test results show that the wood reticulated shell with semi-rigid joints has stable bearing capacity.The vertex of the reticulated shell has the largest displacement and is most likely to occur instability when full span are loaded.The local instability occurred when half span are loaded.Increasing the bending stiffness of joints can improve 31% of the stable capacity of the reticulated shell and reduce 30% of the ultimate displacement of joints during the simplified tests.Finally,it established the numerical models by ANSYS to verify the simplified test results.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-06-01
基金项目:江苏省科技支撑计划-社会发展(BE2013717)
作者简介:罗伟(1991—),男,江苏兴化人,硕士,主要研究方向为大跨木结构; 陆伟东(联系人),教授,E-mail: wdlu@njtech.edu.cn
引用本文:罗伟,陆伟东,孙小鸾,等.半刚性单层球面木网壳整体稳定性试验[J].南京工业大学学报(自然科学版),2016,38(5):81-86..
更新日期/Last Update: 2016-09-20